Regarding Parameter file

From: Nadira Khatoon (Nadira.Khatoon_at_bioschool.iitd.ac.in)
Date: Sun May 23 2021 - 12:14:39 CDT

Hi,
I am new at learning NAMD for simulating membrane embedded proteins.
Will use of different versions of Charmm parameter files cause errors in
the simulation?
Also, an error stating "FATAL ERROR: DIDN'T FIND vdW PARAMETER FOR ATOM
TYPE ON3", is coming, but there are no ON3 atoms in both pdb and psf
files. I am unable to find a solution to this. Could you please help me
with this?
For running this simulation, I have used parameter files as mentioned
below:
parameters par_all36_lipid.prm
parameters par_all36m_prot.prm
parameters toppar_water_ions.str

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